MAX6423US44+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Adjustable Thresholds
• Package: 44-pin Thin QFN (Quad Flat No-Lead)
• Essence: Monitors and controls voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Adjustable Reset Threshold Voltage: 1.2V to 4.63V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 7µA (typical)

Detailed Pin Configuration

The MAX6423US44+T has a total of 44 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power Supply Voltage Input | | 2 | GND | Ground | | 3 | RESET | Active-Low Reset Output | | 4 | MR | Manual Reset Input | | ... | ... | ... | | 44 | NC | No Connect |

Functional Features

• Precision Monitoring: The MAX6423US44+T provides accurate monitoring of voltage levels, ensuring reliable operation of electronic systems.
• Adjustable Thresholds: The reset threshold voltage can be adjusted within a wide range, allowing customization for different applications.
• Power Efficiency: With a low quiescent current of only 7µA, the MAX6423US44+T minimizes power consumption, making it suitable for battery-powered devices.
• Reset Timeout: The device includes a reset timeout period of 140ms, preventing false resets due to temporary voltage fluctuations.

Advantages and Disadvantages

Advantages: - High precision voltage monitoring - Adjustable threshold voltage - Low power consumption - Reset timeout feature for reliable operation

Disadvantages: - Limited number of pins for additional functionalities - Not suitable for high-voltage applications (limited to 5.5V)

Working Principles

The MAX6423US44+T operates by continuously monitoring the input voltage. When the voltage falls below the adjustable threshold level, the reset output is activated, indicating a low-voltage condition. The reset output remains active until the voltage rises above the threshold or a manual reset signal is applied.

Detailed Application Field Plans

The MAX6423US44+T is widely used in various electronic systems where voltage supervision is critical. Some application fields include: 1. Battery-Powered Devices: Ensures proper shutdown or warning when battery voltage drops below a certain level. 2. Industrial Control Systems: Monitors power supply voltages to prevent damage to sensitive components during voltage fluctuations. 3. Automotive Electronics: Provides voltage monitoring for automotive systems, ensuring safe and reliable operation. 4. Medical Equipment: Protects critical medical devices by triggering alarms or shutdowns in case of voltage abnormalities.

Detailed and Complete Alternative Models

1. MAX6424US44+T: Similar to MAX6423US44+T but with additional features such as adjustable reset timeout period.
2. MAX6425US44+T: Voltage supervisor with integrated watchdog timer for enhanced system reliability.
3. MAX6426US44+T: Dual voltage supervisor with independent threshold settings for monitoring multiple voltage levels simultaneously.

These alternative models offer similar functionality to the MAX6423US44+T but may have additional features or different pin configurations to suit specific application requirements.

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